import {z} from 'zod'

export type OnlyId = {id?: string | undefined};

export type ReminderRecurringEvent = {endsOnDate?: number | undefined, eventInterval?: number | undefined, eventOccurrenceCount?: number | undefined, eventType?: ('DAILY' | 'MONTHLY' | 'WEEKLY' | 'YEARLY') | undefined, repeatOn?: string | undefined};

export type Reminder = {id?: string | undefined, version?: string | undefined, additionalRecipients?: Array<OnlyId> | undefined, ccMail?: string | undefined, createdDate?: number | undefined, entityId?: string | undefined, entityName?: string | undefined, lastModifiedDate?: number | undefined, lastReminderSentDate?: number | undefined, message?: string | undefined, recurringEvent?: ReminderRecurringEvent | undefined, reminderDate?: number | undefined, sendType: 'MAIL' | 'NOTIFICATION', subject: string, userId?: string | undefined};

export type CreateApiReminderArgs = {dryRun?: boolean | undefined, body: Reminder};

export type CreateApiReminderOptions = {baseUrl: string, APIToken?: string | undefined, fetch?: typeof fetch | undefined};

export const onlyId = z.object({id: z.string().optional()});

export const reminderRecurringEvent = z.object({endsOnDate: z.number().int().optional(), eventInterval: z.number().int().optional(), eventOccurrenceCount: z.number().int().optional(), eventType: z.enum(["DAILY", "MONTHLY", "WEEKLY", "YEARLY"]).optional(), repeatOn: z.string().optional()});

export const reminder = z.object({id: z.string().optional(), version: z.string().optional(), additionalRecipients: z.array(onlyId).optional(), ccMail: z.string().optional(), createdDate: z.number().int().optional(), entityId: z.string().optional(), entityName: z.string().optional(), lastModifiedDate: z.number().int().optional(), lastReminderSentDate: z.number().int().optional(), message: z.string().optional(), recurringEvent: reminderRecurringEvent.optional(), reminderDate: z.number().int().optional(), sendType: z.enum(["MAIL", "NOTIFICATION"]), subject: z.string(), userId: z.string().optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * create a reminder
 * 
 * POST /reminder
 */
export const createApiReminder = async (args: CreateApiReminderArgs, options: CreateApiReminderOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIToken} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (args.dryRun != null) query.append("dryRun", String(args.dryRun))
if (APIToken !== undefined) headers.set("AuthenticationToken", APIToken)

const url = `${baseUrl.replace(/\/+$/, '')}/reminder${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(reminder, await res.json())
};